# New Animal Drugs for Use in Animal Feeds; Chlortetracycline
> **Food and Drug Administration** · Final rule. · Published 2000-07-26 · Effective 2000-07-26 · 65 FR 45881
## Document
- **Document number:** 00-18823
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 65 FR 45881
- **CFR reference:** 21 CFR 558
- **Publication date:** 2000-07-26
- **Effective date:** 2000-07-26
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a supplemental new animal drug application (NADA) filed by Alpharma, Inc. The supplemental NADA provides for use of approved chlortetracycline (CTC) Type A medicated articles to make Type C medicated feeds used for control of porcine proliferative enteropathies (ileitis) in swine.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/07/26/00-18823/new-animal-drugs-for-use-in-animal-feeds-chlortetracycline)
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